Improvement in windmills



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ADDISON P. BROWN, OF SYRAOU'ISE, NEW YORK, ASSIGNOR 'IOOONTI- NENTAL WINDMILL COMPANY, OF NEW YORK OITY.

Letters Patent No. 102,364, dated Apr/il 26, 1870.

The Schedule referred to in these Letters Patent and making part of the same Be it known that I, ADDISON P. BROWN, of Syra` cuse, county of Onondaga and State of New York, have invented certain new and yuseful Improvements in Hanging the Slats or Sails in Vind-Mills; and I do hereby declare and ascertain my said invention as follows, reference being had to the accompanying drawing, in which l Figure I is a view of the axis, with the gudgeon in place, and

Figure II, an end view of the outermost extremity of several of the slats.

My improvement relates to that class of wind-mills in which the sails or slats are set angling to the wind in a section-bar or axis, which is hung between two radial arms of the wind-wheel upon gudgeons or pivots having theirbearings in metal boxes on said radial arms, so as to turn freely therein.

Heretofore there has been a faulty construction in pivoting the sails of wind-mills, so that, however well fit-ted they may be originally, they soon become loose and shaking.

My improvement for remedying this defect is to form the gudgeon with a coarse-threaded screw, which can, as it wears, be turned' out against the end of the bearing, and thus keep the parts from shaking.

In Wind-mills where the shafts carrying the slats or sails are'pivoted, this small and apparently inconsiderable improvement is of vital importance '1n the durability of the parts and the avoidance of noise iu runnlug. Y

Since, in mills of this class, the outer extremities,

a a, ofthe slats are often two feet or more'beyond the axis in which the central portion of the slat is hung and supported by being secured in the cuts or notches a a, Fig. I, it becomes desirable to hang and support these extremities with .referenoeto each other, and also to twist them to an angle differing from what they have at the axis and proportionate to their increased rotative velocity, I furnish the outer extremities a a, Fig. II, with a round or dat wire or narrow strip of sheet metal, B, pressed into a groove ont in the end of the wood or metal slat, and parallel, or. nearly so, to the face ofthe same, and continued from each slat to its neighbor, by which both `these vresults are attained-at small'expense.

AHaving thus fully described my improvement,

, What I claim, and desire to secure by Letters-Pat-` l. In' combination with the radial arms of a windwheel of the class herein described, the said axis or section bars, with screw gndgeons, substantially as described..

2. The within-described method of staying the slats of wind-mills by means of the slots and wire or metal strips by means of 'a metal rim or band inserted in slots in the ends ot' the -said slats, substantially as shown and described.

ADDISON P. BROWN.

vWitnesses J. F. HU'rrNER, l E. P. STARR 

